When we think of waves, we often think of the ocean or another large body of water. In this video, students learn that waves are all around us and are responsible for many of the sounds we hear and the light we see. Real-life examples are used to explain how waves move and travel through different mediums.

This useful video program helps students understand the concept of volume and the exciting ways that it can be measured. Concepts and terminology: liquid, solid, liter, milliliter, cubic centimeter, beaker, and graduated cylinder.

Using concrete objects ranging from pies to penguins, students will learn about the concept of joining groups together to form a new group. Discusses addends, sums, plus and equals signs - and addition tips such as counting on, adding with zero and doubles, making ten and ordering addends. Students will learn how to add single and double numbers.

Make sense of math! Using number sense, algorithms and hands-on manipulative, kids tackle math problems found in real-life situation. Whether splitting a pizza evenly, estimating the cost of a new toy or graphing the results of a science project, math is encountered in many forms.

Make sense of math! Using number sense, algorithms and hands-on manipulative, kids tackle math problems found in real-life situation. Whether splitting a pizza evenly, estimating the cost of a new toy or graphing the results of a science project, math is encountered in many forms.